2020001670 has 96 divisors (see below), whose sum is σ = 5452967520. Its totient is φ = 518192640.

The previous prime is 2020001603. The next prime is 2020001671. The reversal of 2020001670 is 761000202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020001671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 800010 + ... + 802530.

It is an arithmetic number, because the mean of its divisors is an integer number (56801745).

Almost surely, 2^2020001670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020001670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2726483760).

2020001670 is an abundant number, since it is smaller than the sum of its proper divisors (3432965850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020001670 is a wasteful number, since it uses less digits than its factorization.

2020001670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870 (or 2867 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2020001670 is about 44944.4286869908. The cubic root of 2020001670 is about 1264.1072132227.

Adding to 2020001670 its reverse (761000202), we get a palindrome (2781001872).

The spelling of 2020001670 in words is "two billion, twenty million, one thousand, six hundred seventy".